Phoenix, Ariz. –  Feb. 14, 2007 – ARCADIS (NASDAQ: ARCAF, EURONEXT: ARCAD) is pleased to announce that Jack Allen has joined the company as vice president and west region environmental planning and permitting (EP&P) business practice lead. Allen will be based out of ARCADIS' Phoenix, Arizona office.

Allen will focus on strategic growth of the ARCADIS business practice in addition to providing expertise in all facets of strategic growth related to client service, business development and operations. He will also coordinate with project related public and agency involvement programs.

“With top level experience in environment and transportation Jack is a perfect compliment to the ARCADIS team,” said Zack Smith, ARCADIS executive vice president.  “He has a proven track record of excellence and demonstrates our commitment to provide superior results for our clients.”

Allen brings over 20 years of experience in the EP&P arena with a strong focus on transportation projects in Arizona, New Mexico, Nevada, Utah, California, Idaho, Oregon, and Washington. He has extensive experience with compliance studies, restoration, evaluations, environmental impact statements (EIS) and environmental assessments for National Environmental Protection Act (NEPA) and related regulations.

An additional area of his expertise is developing and implementing public and agency involvement programs. He has implemented successful participation strategies for a variety of projects, including the first study partnering process for the Red Mountain Freeway EIS and a unique American Planning Association award-winning public involvement program for the Park Avenue Streetscape Project in Tucson (one of 15 of these types of projects across the nation).

ARCADIS is an international company providing consultancy, engineering and management services in infrastructure, environment and facilities, to enhance mobility, sustainability and quality of life. ARCADIS develops, designs, implements, maintains and operates projects for companies and governments.  With more than 11,000 employees and over $1.5 billion in gross revenue, the company has an extensive international network that is supported by strong local market positions.